{"id":"673ba3a6-5548-48ef-ab3b-b6fab60d0c8e","shortId":"FxP3jM","kind":"x402","title":"Real-time HBAR token price data via x402 micropayment on Base network for $0.02/request.","tagline":"Real-time HBAR token price data via x402 micropayment on Base network for $0.02/request.","description":"This endpoint returns the current price of the HBAR (Hedera) token, accessible through the x402 payment protocol on the Base network. Each request costs $0.02 (20,000 base units of USDC with 6 decimals) and requires no API keys, rate limits, or upfront commitments — you simply attach an x402 payment header to your POST request.\n\nThe endpoint is part of a broader suite of pay-per-call APIs offered at lowpaymentfee.com, spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services. All endpoints on the platform share the same $0.02 per-request pricing model and settle payments in USDC on the Base L2 network. The x402 challenge confirms the endpoint is live, accepting payments to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.\n\nDocumentation on the site is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI schema, no example request/response payloads, and no description of the response format beyond the stated mimeType of application/json. The actual fields returned in the HBAR price response are unknown and must be discovered by making a paid call.","tags":[],"capabilities":["token-price-lookup","hbar-price","x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","real-time-pricing"],"categories":["finance","crypto"],"synonyms":["HBAR price API","Hedera token price","crypto price feed","token price endpoint","HBAR market data","x402 crypto API","micropayment price API"],"warnings":["No API documentation available — docs, pricing, and API pages all render only 'Connect wallet' with no technical content.","Response schema for the HBAR price endpoint is undocumented; field names and structure are unknown.","No example requests or responses are provided anywhere on the site.","The site lists many endpoint categories (AI, analytics, utilities) but this specific /tokens/HBAR/price path is not listed on the homepage — it may be an unlisted or experimental endpoint."],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/HBAR/price","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/tokens/HBAR/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documented request/response format, and all documentation pages return only a wallet-connect prompt. The actual response payload structure is entirely 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'0.02':15,31,57,124 '000':59 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':152 '20':58 '300':155 '6':65 'HBAR market data' 'HBAR price API' 'Hedera token price' 'accept':148 'access':44 'actual':206 'address':151 'ai/ml':108 'analyt':107 'api':70,101,169 'application/json':204 'attach':79 'base':12,28,52,60,137 'base-network' 'beyond':199 'broader':94 'call':100,224 'challeng':142 'commit':76 'confirm':143 'connect':175 'cost':56 'crypto price feed' 'current':37 'data':7,23,106,112 'decim':66 'descript':194 'detail':182 'discov':219 'doc':166 'document':158 'endpoint':34,89,117,145 'exampl':189 'extrem':163 'field':207 'finance/web3':110 'format':198 'hbar':4,20,41,211 'hbar-price' 'header':83 'hedera':42 'infer':109 'key':71 'l2':138 'limit':73 'live':147 'lowpaymentfee.com':104 'make':221 'market':111 'micropay':10,26 'micropayment price API' 'mimetyp':202 'model':129 'must':217 'network':13,29,53,139 'no-api-key' 'offer':102 'openapi':186 'page':170 'paid':223 'part':91 'pay':98 'pay-per-cal':97 'pay-per-request' 'payload':191 'payment':48,82,132,149 'per':99,126 'per-request':125 'platform':120 'post':86 'price':6,22,38,128,167,212 'prompt':177 'protocol':49 'rate':72 'real':2,18 'real-tim':1,17 'real-time-pricing' 'render':172 'request':55,87,127 'request/response':190 'requir':68 'respons':197,213 'return':35,208 'schema':187 'second':156 'servic':115 'settl':131 'share':121 'simpli':78 'site':161 'span':105 'spars':164 'state':201 'suit':95 'technic':181 'time':3,19 'timeout':157 'token':5,21,43 'token price endpoint' 'token-price-lookup' 'unit':61 'unknown':215 'upfront':75 'usdc':63,134 'usdc-settlement' 'util':114 'via':8,24 'wallet':176 'x402':9,25,47,81,141 'x402 crypto API' 'x402-payment'","prices":[{"id":"9f3e1429-2e4f-496b-8c4b-f725155f26b1","listingId":"673ba3a6-5548-48ef-ab3b-b6fab60d0c8e","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/tokens/HBAR/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:00.938Z"}],"sources":[{"listingId":"673ba3a6-5548-48ef-ab3b-b6fab60d0c8e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/HBAR/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:00.938Z","lastSeenAt":"2026-04-24T04:03:17.388Z"}],"details":{"listingId":"673ba3a6-5548-48ef-ab3b-b6fab60d0c8e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/HBAR/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 402 with an x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/HBAR/price"},{"claim":"All APIs on the platform cost $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Payment is settled in USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/tokens/HBAR/price"},{"claim":"Documentation pages (docs, pricing, API, README) render only a 'Connect wallet' prompt with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching the current HBAR/Hedera token price for portfolio tracking or trading bots","Integrating real-time HBAR pricing into a DeFi application or dashboard","Agent-driven price lookups where no API key provisioning is desired","On-demand crypto price checks with per-call billing"],"bestFor":["Developers needing HBAR price data without API key management","AI agents that can settle x402 micropayments autonomously","Low-volume or sporadic price lookups where subscription pricing is wasteful"],"notFor":["High-frequency trading requiring sub-second latency and bulk pricing tiers","Users who need historical HBAR price data or OHLCV candles (not indicated as available)","Anyone unable to settle USDC payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.122Z"},"updatedAt":"2026-04-24T04:03:17.388Z"}}